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| author | Carlos Llamas <cmllamas@google.com> | 2021-07-15 03:18:05 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-21 13:46:36 +0200 |
| commit | 07e913418ce4ba5eb620dd4668bf91ec94e11136 (patch) | |
| tree | 58490741fc408726b954963fb9f84650bb7992f7 | |
| parent | 06e1721d2a265d1247093f5ad5ae2958ef10a604 (diff) | |
| download | lwn-07e913418ce4ba5eb620dd4668bf91ec94e11136.tar.gz lwn-07e913418ce4ba5eb620dd4668bf91ec94e11136.zip | |
selftests/binderfs: add test for feature files
Verify that feature files are created successfully after mounting a
binderfs instance. Note that only "oneway_spam_detection" feature is
tested with this patch as it is currently the only feature listed.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20210715031805.1725878-3-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | tools/testing/selftests/filesystems/binderfs/binderfs_test.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c index 477cbb042f5b..0315955ff0f4 100644 --- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c +++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c @@ -62,6 +62,9 @@ static int __do_binderfs_test(struct __test_metadata *_metadata) struct binder_version version = { 0 }; char binderfs_mntpt[] = P_tmpdir "/binderfs_XXXXXX", device_path[sizeof(P_tmpdir "/binderfs_XXXXXX/") + BINDERFS_MAX_NAME]; + static const char * const binder_features[] = { + "oneway_spam_detection", + }; change_mountns(_metadata); @@ -150,6 +153,20 @@ static int __do_binderfs_test(struct __test_metadata *_metadata) } /* success: binder-control device removal failed as expected */ + + for (int i = 0; i < ARRAY_SIZE(binder_features); i++) { + snprintf(device_path, sizeof(device_path), "%s/features/%s", + binderfs_mntpt, binder_features[i]); + fd = open(device_path, O_CLOEXEC | O_RDONLY); + EXPECT_GE(fd, 0) { + TH_LOG("%s - Failed to open binder feature: %s", + strerror(errno), binder_features[i]); + goto umount; + } + close(fd); + } + + /* success: binder feature files found */ result = 0; umount: |